BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

★★★★★5.0559 reviews
GMATBootcamp Starts Sep 28
Chris Peckover, Target Test Prep GMAT expert
LIVE ONLINE BOOTCAMP

Live Online Bootcamp Class with Top GMAT Expert Chris Peckover

15 live classes from Sep 28, 2026

Schedule
Mon to Fri · 7:00 to 10:00 PM ET
Included
Live classes + 6 months of TTP OnDemand
  • Boost your GMAT score in less than one month in a live online class
  • 6 months access to TTP OnDemand video courses included
View bootcamp & enroll
Limited cohort · enrollment openTarget Test Prep
EALiveTeach 5 seats left
Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll
Limited cohort · enrollment openTarget Test Prep
GMATOnDemand Start anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

Question from CR Bible...Is the answer correct?

Expert replies
by dare2try » Tue Jun 05, 2012 4:42 pm
frnds...

I have a doubt reg a question in CR bible

It is well known that many species adapt to their environment, but it is usually assumed that only the most highly evolved species alter their environment in ways that aid their own survival. However, this characteristics is actually quite common. Certain species of plankton, for example, generate a gas that is converted in the atmosphere into particles of sulfate. These particles cause water vapor to condense, thus forming clouds over the ocean largely depends on the presence of these particles. More cloud cover means more sunlight is reflected, and so the earth absorbs less heat. Thus plankton cause the surface of the earth to be coller and this benefits the plankton.

Is the argument strong or weak?

as per CR bible it is strong as a viewpoint is presented and then this viewpoint is disputed with the example of a simple organism that changes its environment. Also the author has successfully shown that non-highly evolved species exhibit that characteristic, making it likely that the characteristics appears in other species.

I have a doubt. How can this argument be strong. I feel it is week because

1. The author has proved only with planktons. There arent any other examples.
2. More importantly we dont know if planktons are non-highly evolved species as it is not explicitly mentioned in the sentence.(assume that I dont know anything about planktons)


Pls correct me if I am wrong
Join the discussion
Source: — Critical Reasoning |